Offering 8-15+ rear wheel horsepower gains, the BMS Performance intake completely replaces your restrictive factory airbox assembly with a custom designed K&N brand filter. Features 20% more filter surface area and much better sound than the factory airbox, all without raising your intake air temperatures. K&N's high flow cotton media provides increased performance and superior protection. High-Flow Technology to a large conical open element air filter, providing more surface area for huge increases in airflow that turns into horsepower! you can feel. Easy installation / removal. Does NOT require any cutting or drilling. Mounts to factory inlets.
Fits BMW 135 / 335 / 535 / Z4 Twin Turbo
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